TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Perennial, shrub, tree, glabrous or hairy
Stem often forked
Leaves opposite, sessile or petioled, pairs generally unequal; blade generally entire
Inflorescence generally forked; of spikes, clusters, or umbels, each unit sometimes with a calyx-like involucre
Flower bisexual, radial; perianth of 1 whorl, petal-like, bell- to trumpet-shaped, base hardened, tightly surrounding ovary in fruit, lobes 45, generally notched to ± bilateral; stamens 1many; ovary superior (appearing inferior because of hardened perianth base), style 1
Fruit: achene or nut, smooth, wrinkled, or ribbed
Genera in family: 30 genera, 300 species: warm regions, especially Am; some ornamental (Bougainvillea ; Mirabilis , four o'clock).
Annual, perennial herb, generally glandular
Stem prostrate to ascending, generally ± red
Leaf generally fleshy, petioled
Inflorescence: head or umbel; flowers opening together or outer first; receptacle conic, ± smooth
Flower: perianth salverform to trumpet-shaped, generally fragrant, lobes 45; stamens 45, included; stigma linear, included
Fruit: body fusiform; lobe-like wings (0)25 (if present, prominent, opaque, thick, not continuous above fruit body)
Species in genus: 25 species: w North America
Etymology: (Greek: graceful)
[Galloway 1975 Brittonia 27:328347] Closely related to Tripterocalyx.
Native |
Annual, glandular-hairy
Stem decumbent to ascending, 1055 cm
Leaf: petiole 0.84 cm; blade 1.55.5 cm, 13 cm wide, ovate to oblong-ovate
Inflorescence: peduncle 27 cm; bracts 49 mm, lanceolate to broadly ovate; flowers 1224
Flower: perianth tube 12 cm, ± red or green, limb 68 mm wide, white or pink
Fruit 46 mm, 23-winged, outline cordate; wing interior spongy
Ecology: Sand, desert communities
Elevation: < 1550 m.
Bioregional distribution: s San Joaquin Valley, Mojave Desert (and adjacent margins of Sierra Nevada)
Distribution outside California: w Nevada
Flowering time: AprJul
Horticultural information: TRY.